Mukilteo, named for the Suquamish word meaning “good camping ground,” was the site of the Point Elliott Treaty of 1855. The document, signed by the leaders of 22 local tribes, relinquished land claims to white settlers. A lighthouse built in 1905 is open to visitors on weekends and holidays from April through September; phone (425) 513-9602. Washington State Ferries connects the mainland with Clinton on Whidbey Island; phone (206) 464-6400, or (888) 808-7977 in Wash.